Richard Thomalla

Richard Thomalla (23 October 1903-12 May 1945) was an SS Hauptsturmfuhrer of Nazi Germany who built the Sobibor, Belzec, and Treblinka extermination camps in Poland during the Holocaust.

Biography
Richard Thomalla was born on 23 October 1903 in Annahof, Upper Silesia, German Empire. He joined the Nazi Party and SS in 1932 and was a Hauptsturmfuhrer (Captain) by 1942, when he was given orders to execute Operation Reinhard, the deadliest phase of the Holocaust. Thomalla built Sobibor and copied its design when creating Treblinka, and from July 1942 to October 1943, 850,000 people were killed in Treblinka. On 12 May 1945, he was executed by the Soviet Union's NKVD in Jicin, Czechoslovakia at the end of World War II.